package thread;

/**
 * 互斥性
 * 当使用多个synchronized锁定多个代码片段，并且指定
 */

public class SyncDemo4 {
    public static void main(String[] args) {
        Foo f=new Foo();
        Thread t=new Thread(){
            public void run(){
                f.methodA();
            }
        };
        Thread t1=new Thread(){
            public void run(){
                f.methodB();
            }
        };
        t.start();
        t1.start();

    }


}
class Foo{
    public synchronized void methodA(){
        try {
            Thread t=Thread.currentThread();
            System.out.println(t.getName()+":正在执行A方法");
            Thread.sleep(5000);
            System.out.println(t.getName()+":执行A方法完毕");
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    public void methodB(){
        try {
            Thread t=Thread.currentThread();
            System.out.println(t.getName()+":正在执行B方法");
            Thread.sleep(5000);
            System.out.println(t.getName()+":执行B方法完毕");
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}
